| Patent Number |
Title Of Patent |
Date Issued |
| D386568 |
Flow rate adjusting plate for a rotary nozzle type molten metal pouring unit |
November 18, 1997 |
|
| D371825 |
Flow rate adjusting plate for a rotary nozzle type molten metal pouring unit |
July 16, 1996 |
|
| 6382477 |
Apparatus for controlling amount of teeming molten metal and slide plate used for the same |
May 7, 2002 |
| This invention intends to provide a molten metal pouring amount control apparatus in which a sliding resistance of a slide frame is small and a pressing force around a nozzle hole is stabilized so that there is no fear that any trouble such as a molten metal leakage occurs and further, a |
| 6026996 |
Brick body for rotary nozzle and rotary nozzle using same |
February 22, 2000 |
| With a rotary nozzle of the type in which a slide plate brick having at least one nozzle bore is rotated so as to adjust the degree of overlapping between the nozzle bore thereof and a nozzle bore of a fixed plate brick to control the rate of pouring of molten steel or the like, the bric |
| 5709807 |
Flow rate adjusting for rotary nozzle type molten metal pouring unit |
January 20, 1998 |
| A flow rate adjusting plate for a rotary-nozzle-type molten-metal pouring unit has a shape in which one side or two sides of an octagon is or are replaced by one arc or two arcs. The arc or arcs are connected smoothly to adjacent straight sides. The plate has one hole or two holes for pa |
| 4998650 |
Rotary nozzle on a molten steel vessel |
March 12, 1991 |
| In a rotary nozzle of the type attached to the bottom shell of a molten street vessel and designed so that a rotor having a sliding plate brick mounted thereon is rotated by a motor through a reducer and gearing to adjust the degree of opening of a nozzle bore and thereby to control the |
| 4991753 |
Door-type rotary nozzle |
February 12, 1991 |
| A door opening/closing device of door-type rotary nozzle which cannot fit collector nozzle (16) unless clampers are removed. There is no possibility of pouring molten metal while forgetting to remove the clampers (25). When the fixed frame (7) is opened or closed, a ladle is fitted by a |
| 4978040 |
Rotary nozzles |
December 18, 1990 |
| A rotary nozzle in which at least one coil spring is removed, acting to increase the clearance between a surface of the bottom plate brick and a surface of the slide plate brick. This mechanism is capable of improving the pushing force in the vicinity of the nozzle hole, and prevents mol |
| 4732304 |
Rotary nozzle system |
March 22, 1988 |
| A rotary nozzle system attached to the outlet of a metallurgical vessel to serve as a gate valve for controlling the rate of pouring of molten metal. A slide plate brick and bottom plate brick, each having a nozzle bore, are relatively rotated in a surface-to-surface contact condition to |
| 4591080 |
Rotary nozzle system for metallurgical vessels |
May 27, 1986 |
| In a dual door type rotary nozzle system for metallurgical vessels, a bottom plate brick attached to the bottom shell of the vessel is adapted to be opened and closed by an inner door, and a slide plate brick slidable in surface-to-surface contact relation with the bottom plate brick is |
| 4577785 |
Hinged rotary nozzle |
March 25, 1986 |
| A rotary nozzle engageable with the pouring nozzle of a ladle that contains molten metal for transporting or pouring purposes, or in the flow passage of a converter so as to allow the outflow of molten metal. The rotary nozzle includes a fixed plate brick, a fixed plate supporting frame, |
| 4498611 |
Dual door type rotary nozzle |
February 12, 1985 |
| A sliding rotary nozzle assembly for pouring of molten steel has a bottom plate brick and a sliding plate brick, with these plate bricks being arranged as dual doors that may be opened and closed as desired relative to a base plate that includes a flow nozzle. Each of the brick plates is |
| 4294437 |
Slide closure for the pouring nozzle of a molten metal vessel |
October 13, 1981 |
| A slide closure for the pouring nozzle of a molten metal vessel of the type comprising a fixed plate attached to the bottom portion of the vessel and a sliding plate pressed against the lower surface of the fixed plate brick, whereby the sliding plate is rotated to open and close the ves |
